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Q-PS-A70R Datasheet(PDF) 5 Page - JDS Uniphase Corporation

Part No. Q-PS-A70R
Description  High-Power Q-Switched Diode-Pumped UV Laser
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Maker  JDSU [JDS Uniphase Corporation]
Homepage  http://www.jdsu.com/index.html
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Q Series Laser Head Specifications
Parameter
Q331-HD
Q332-HD
Q333-HD
Wavelength
355 nm
355 nm
355 nm
Spatial mode
TEM00
TEM00
TEM00
M-squared1
<1.2
<1.2
<1.2
Waist location1 (internal, from beam exit)
42±0.4 cm
42±0.4 cm
42±0.4 cm
Waist diameter1, 1/e2
0.26 mm nominal
0.26 mm nominal
0.26 mm nominal
Beam divergence1, full angle
1.8±0.35 mrad
1.8±0.35 mrad
1.8±0.35 mrad
Beam pointing drift, full angle
<10 µrad/°C
<10 µrad/°C
<10 µrad/°C
Pointing drift, over 8 hours, full angle2
<50 µrad
<50 µrad
<50 µrad
Beam position accuracy, unit to unit
<2.5 mm from nominal
<2.5 mm from nominal
<2.5 mm from nominal
Beam pointing accuracy, unit to unit
<1° from nominal
<1° from nominal
<1° from nominal
Repetition rate
Internally triggered
5 to 250 kHz
5 to 250 kHz
5 to 250 kHz
Externally triggered
0 to 250 kHz
0 to 250 kHz
0 to 250 kHz
Constant pulse energy range
<10 kHz
<30 kHz
<50 kHz
Average output power3
At 10, 20, and 30 kHz
≥5.0, 4.0 and 3.0 W
-
-
At 30, 50, and 70 kHz
-
≥4.0, 3.4, and 2.5 W
-
At 70, 100, and 130 kHz
-
-
≥3.6, 2.5, and 1.6 W
Pulse width4
At 10, 20, and 30 kHz
34±10, 52±15, 69±15 ns
-
-
At 30, 50, and 70 kHz
-
78±20, 107±20, 135±30 ns
-
At 70, 100, and 130 kHz
-
132±30, 168±40, 204±55 ns
Pulse energy fluctuations5
At 10, 20, and 30 kHz
<2.0%, 10 – 30 kHz
-
-
At 30, 50, and 70 kHz
-
<3%, 30 – 50 kHz
-
At 70, 100, and 130 kHz
-
-
<3%, <2.0%, <2.5%
Power drift over 8 hours2, 6
<±2%
<±2%
<±2%
Beam roundness
>85% circular
>85% circular
>85% circular
Polarization
>100:1, horizontal
>100:1, horizontal
>100:1, horizontal
Warm-up time
From cold start
<20 minutes
<20 minutes
<20 minutes
From standby
<10 minutes
<10 minutes
<10 minutes
Operating ambient temperature
15 to 35°C
15 to 35°C
15 to 35°C
Relative humidity, non-condensing
10 to 80%
10 to 80%
10 to 80%
Weight
14.5 kg
14.5 kg
14.5 kg
1. Specification holds over different repetition rate ranges, depending on the laser model, as follows:
Q331 from 10 to 30 kHz, for Q332 from 30 to 70 kHz, for Q333 from 70 to 130 kHz.
2. Ambient temperature constant ±2°C.
3. Averaged for 1 hour after >80 minutes of continuous operation.
4. Pulse duration measured according to method detailed in JDSU application note titled “Optical Pulse Width Measurement Techniques for Q-Series Lasers.”
5. Pulse Energy Fluctuations =
σ / μ x 100%, σ = standard deviation, μ = average pulse energy.
6. Measured after more than 80 minutes of continuous operation.
Continued
5
HIGH-POWER Q-SWITCHED DIODE-PUMPED UV LASER




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